Finding the Fourth Proportional to 13,300.91, 18,355.38 and 7,332.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.91 : 18,355.38 = 7,332.79 : x
2. Step 2: Convert to fraction form
   13,300.91/18,355.38 = 7,332.79/x
3. Step 3: Cross multiply
   13,300.91x = 18,355.38 × 7,332.79
4. Step 4: Simplify right side
   13,300.91x = 134,596,146.91
5. Step 5: Solve for x
   x = 134,596,146.91/13,300.91
6. Step 6: Final answer
   x = 10,119.32